CN214224531U

CN214224531U - Novel flat plate brake test bed

Info

Publication number: CN214224531U
Application number: CN202023188062.XU
Authority: CN
Inventors: 杨乐; 齐浩; 王朝腾
Original assignee: Shijiazhuang Litong Motor Vehicle Testing Co ltd
Current assignee: Shijiazhuang Litong Motor Vehicle Testing Co ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-09-17
Anticipated expiration: 2030-12-26

Abstract

The utility model discloses a novel flat plate brake test bed, which comprises two first shells, wherein one side of each first shell is provided with a force transducer, the upper surface of each first shell is provided with a chute, the inner side wall of the chute is connected with two symmetrical first sliders in a sliding manner, the upper surface of each first slider is welded with a connecting rod, the top of each connecting rod is welded with a first plate body, and the repellent side of each first shell is welded with a second plate body; through promoting the second handle, it is close to first plate body to drive the third slider through the third plate body, the winding of the third body of rod has the rag that absorbs water, slide in second slide rail lateral wall through dragging first handle through the third slider, and then drive the third body of rod and clean first plate body surface, and conveniently change the rag that absorbs water, the coefficient of friction of this device has been improved, the condition of having avoided causing detection vehicle wheel to skid appears, and then the accuracy of testing result has been guaranteed, thereby detection efficiency has been improved.

Description

Novel flat plate brake test bed

Technical Field

The utility model relates to a vehicle braking detects technical field, specifically is a novel dull and stereotyped braking test bench.

Background

It is known that a flat plate brake test platform is used for simulating an actual flat road, a motor vehicle runs at a speed of 5-15 km/h and then brakes, the tangential force acting on the flat plate by wheels is measured, so that the detection of items such as front (or rear) axle dynamic measurement braking force is completed, the items such as suspension, sideslip and the like can be simultaneously detected by different combinations of platform body brake plates, and the flat plate brake test platform is particularly used for detecting various braking performances of various vehicles such as passenger cars, motorcycles, agricultural vehicles and the like driven by front axles and is suitable for automobile inspection stations, repair shops and automobile professional teaching and technical research units.

Chinese patent publication granted: CN206274286U discloses a flat plate type brake inspection bench, which comprises a rack assembly, wherein the rack assembly comprises a weighing sensor, a brake platen, a rack and a middle layer mechanism, the weighing sensor is arranged between the brake platen and the rack, the brake platen is arranged above the weighing sensor, the flat plate type brake inspection bench has the advantages that the weighing sensor is arranged on the rack, the force measuring sensor is arranged at one end of the brake platen, the weighing sensor and the force measuring sensor are arranged in different components, and gravity signals obtained by the weighing sensor and pressure signals obtained by the force measuring sensor are not influenced mutually, so that the accuracy of measuring the braking force of an automobile is ensured;

however, the device still has certain shortcoming, when examining in the rainy day, can be stained with a large amount of rainwater on the vehicle wheel that is detected, when through detecting the platform, can make the rainwater leave over on detecting the platform, and then cause the detection platform coefficient of friction to reduce, wait to detect the vehicle at the back when detecting the braking, the condition that causes the wheel to skid easily appears, and then leads to measuring result inaccurate to reduce detection efficiency, for this reason, propose a novel dull and stereotyped braking test bench.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a novel dull and stereotyped braking test bench.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a novel flat plate brake test bed comprises two first shells, wherein one side of each first shell is provided with a force transducer, the upper surface of each first shell is provided with a sliding groove, the inner side wall of the sliding groove is connected with two symmetrical first sliding blocks in a sliding manner, the upper surface of each first sliding block is welded with a connecting rod, the tops of the two connecting rods are welded with first plate bodies, the repelling sides of the two first shells are welded with second plate bodies, the upper surface of each second plate body is provided with two symmetrical first sliding rails, the outer side wall of each first sliding rail is connected with a second sliding block in a sliding manner, the upper surfaces of the two second sliding blocks are welded with third plate bodies, the upper surface of each third plate body is provided with a second sliding rail, the outer side wall of each second sliding rail is connected with a third sliding block in a sliding manner, and the adjacent side of the two third sliding blocks is rotatably connected with a third rod body through a first rotating shaft, two the second casing has all been welded to one side of first casing, the inside of second casing all is connected with two first body of rod through the rotation of second bearing, the lateral wall welding of the first body of rod has the cylinder, the one end of the first body of rod runs through one side of second casing, two the gear has all been welded to the lateral wall of the first body of rod, connects through chain drive between two gears, and one side of second casing is equipped with the motor, the output welding of motor has the second body of rod, the one end of the second body of rod welds in one the one end of cylinder is kept away from to the first body of rod.

Preferably, one side welding of first plate body has the fourth plate body, one side welding of fourth plate body has the bracing piece, the bracing piece has the third casing through spring welding, the through-hole has been seted up to one side of third casing, the inside wall sliding connection of through-hole in the lateral wall of bracing piece, one side of third casing weld in one side of second casing.

Preferably, a fifth plate body is welded to one side of each of the two adjacent first plate bodies.

Preferably, the bottom wall of the outer side wall of the motor is welded with a support plate.

Preferably, a first handle is welded on one side, repellent to each other, of each of the two third sliding blocks, and a second handle is welded on one side, repellent to each other, of each of the two third plate bodies.

Preferably, a rubber pad is bonded on the upper surface of the first plate body, and a water absorption sponge is wound on the outer side wall of the roller.

Preferably, an inclined plate is welded to one side of the first housing, the inclination angle of the inclined plate is 15-20 degrees, and one side of the inclined plate is bonded to one side of the load cell.

Preferably, the baffles are welded at the two ends of the second sliding rail, and the bottoms of the baffles are welded on the upper surface of the third plate body.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel dull and stereotyped braking test bench possesses following beneficial effect:

the first rod body is wound with water-absorbing cleaning cloth, the first handle is dragged to slide on the outer side wall of the second slide rail through the third slide block, so that the third rod body is driven to wipe the surface of the first plate body, the water-absorbing cleaning cloth is convenient to replace, the friction coefficient of the device is improved, the condition that the wheel of a vehicle is detected to slip is avoided, the accuracy of a detection result is ensured, and the detection efficiency is improved;

two, drive the clockwise rotation of gear through first body of rod through the motor output shaft, the gear drives another first body of rod through another gear of chain cooperation and rotates, drives the cylinder rotation when first body of rod pivoted, and the sponge that absorbs water adsorbs the rainwater on to the tire, and then has improved the frictional force of tire to stability when braking has been improved.

Drawings

Fig. 1 is a left side view structure diagram of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of a connection structure of the third housing, the support rod and the fourth plate body of the present invention;

fig. 4 is an enlarged schematic structural view of the region a in fig. 2 according to the present invention;

fig. 5 is a circuit diagram of the present invention.

In the figure: 1. a first housing; 2. a chute; 3. a connecting rod; 4. a first slider; 5. a first plate body; 6. a rubber pad; 7. an inclined plate; 8. a second housing; 9. a drum; 10. a water-absorbing sponge; 11. a first rod body; 12. a chain; 13. a gear; 14. a second rod body; 15. a motor; 16. a second plate body; 17. a fifth plate body; 18. a first slide rail; 19. a second slider; 20. a third plate body; 21. a second slide rail; 22. a third slider; 23. a first handle; 24. a baffle plate; 25. a third rod body; 26. a force sensor; 27. a second handle; 28. a support plate; 29. a third housing; 30. a fourth plate body; 31. a support bar; 32. a through hole; 33. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a novel flat plate brake test bed comprises two first shells 1, one side of each first shell 1 is provided with a force measuring sensor 26, the upper surface of each first shell 1 is provided with a sliding groove 2, the inner side wall of each sliding groove 2 is connected with two symmetrical first sliding blocks 4 in a sliding manner, the upper surface of each first sliding block 4 is welded with a connecting rod 3, the top parts of the two connecting rods 3 are welded with first plate bodies 5, the repellent sides of the two first shells 1 are both welded with second plate bodies 16, the upper surface of each second plate body 16 is provided with two symmetrical first sliding rails 18, the outer side wall of each first sliding rail 18 is connected with a second sliding block 19 in a sliding manner, the upper surfaces of the two second sliding blocks 19 are welded with third plate bodies 20, the upper surface of each third plate body 20 is provided with a second sliding rail 21, the outer side wall of each second sliding rail 21 is connected with a third sliding block 22 in a sliding manner, one side adjacent to the two third sliding blocks 22 is connected with a third rod body 25 through a first rotating shaft in a rotating manner, second casing 8 has all been welded to one side of two first casings 1, the inside of second casing 8 all is connected with two first body of rod 11 through the rotation of second bearing, cylinder 9 has been welded to the lateral wall of the first body of rod 11, one side of the second casing 8 is run through to the one end of the first body of rod 11, gear 13 has all been welded to the lateral wall of two first bodies of rod 11, connect through chain 12 transmission between two gear 13, one side of second casing 8 is equipped with motor 15, the output welding of motor 15 has the second body of rod 14, the one end of the second body of rod 14 welds in the one end that cylinder 9 was kept away from to a first body of rod 11.

In this embodiment, specifically: a fourth plate body 30 is welded on one side of the first plate body 5, a support rod 31 is welded on one side of the fourth plate body 30, a third shell 29 is welded on the support rod 31 through a spring 33, a through hole 32 is formed in one side of the third shell 29, the inner side wall of the through hole 32 is connected to the outer side wall of the support rod 31 in a sliding mode, and one side of the third shell 29 is welded on one side of the second shell 8; the fourth plate 30 is arranged to cooperate with the support rod 31 and the spring 33, and the reaction force generated by the elastic potential energy of the spring 33 is utilized to reset the first plate 5 after the automobile is detected.

In this embodiment, specifically: a fifth plate body 17 is welded at one side adjacent to the two first plate bodies 5; the provision of the fifth plate 17 allows the first plate 5 to hit the load cell 26 at the same time, thereby improving the accuracy in detection.

In this embodiment, specifically: a supporting plate 28 is welded on the bottom wall of the outer side wall of the motor 15; the supporting plate 28 is arranged to support the motor 15, so as to fix and limit the motor 15.

In this embodiment, specifically: a first handle 23 is welded on the sides, which repel each other, of the two third sliding blocks 22, and a second handle 27 is welded on the sides, which repel each other, of the two third plate bodies 20; the first handle 23 is provided to facilitate the longitudinal movement of the third slide 22, and the second handle 27 is provided to facilitate the lateral movement of the third slide 22, thereby improving the cleaning efficiency of the surface of the first plate 5.

In this embodiment, specifically: the upper surface of the first plate body 5 is bonded with a rubber pad 6, and the outer side wall of the roller 9 is wound with a water absorption sponge 10; set up rubber pad 6 and can increase the frictional force between first plate body 5 and the wheel, the water stain on the tire can be adsorbed to sponge 10 that absorbs water to improve the frictional force between tire and the first plate body 5, avoid the tire to skid, influence the testing result.

In this embodiment, specifically: an inclined plate 7 is welded on one side of the first shell 1, the inclination angle of the inclined plate 7 is 15-20 degrees, and one side of the inclined plate 7 is bonded on one side of the load cell 26; the provision of the inclined plate 7 provides support for the load cell 26 and facilitates the removal of the detected vehicle from the first plate 5.

In this embodiment, specifically: the two ends of the second slide rail 21 are welded with the baffle plates 24, and the bottoms of the baffle plates 24 are welded on the upper surface of the third plate body 20; the baffle plate 24 is arranged to limit the third sliding block 22, so that the third sliding block 22 is prevented from being separated from the second sliding rail 21.

In this embodiment: the model of the motor 15 is YZR315S, and the model of the load cell 26 is DJSX-16.

In this embodiment: and a switch group for controlling the starting and the closing of the motor 15 and the load cell 26 is installed on one side of the second shell 8, and the switch group is connected with an external commercial power and used for supplying power to the motor 15 and the load cell 26.

In summary, the working principle and working process of the novel flat plate brake test bed are that when the novel flat plate brake test bed is used, firstly, a vehicle to be detected is driven between two rollers 9, a motor 15 is started through a switch group, the motor 15 drives a gear 13 to rotate clockwise through a first rod body 11 on an output shaft, the gear 13 drives another first rod body 11 to rotate through a chain 12 and another gear 13, the first rod body 11 drives the rollers 9 to rotate while rotating, a water absorption sponge 10 absorbs rainwater on the tire, so that the friction force of the tire is increased, then the vehicle weight is returned to the ground again, the motor 15 is started to rotate anticlockwise through the switch group, the vehicle drives the first plate body 5 to drive the surface of the first plate body 5 through the rollers 9 at the speed of 15-20/KM, the brake is stepped on, the braking force of the vehicle drives the first plate body 5 to collide with a force measuring sensor 26, and the force measuring sensor 26 transmits signals to an external display device, thereby detect the braking force of car, after the automobile testing, leave away from first plate body 5 from hang plate 7, if under the rainy day condition, certain water stain can be left over to first plate body 5 after the automobile testing, through promoting second handle 27, it is close to first plate body 5 to drive third slider 22 through third plate body 20, the winding of the third body of rod 25 has the rag that absorbs water, slide in second slide rail 21 lateral wall through dragging first in command 23 through third slider 22, and then drive the third body of rod 25 and wipe first plate body 5 surface, so as to avoid the water stain to cause the time measuring wheel of next car to skid, thereby influence the testing result.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel flat brake test bench comprises two first shells (1) and is characterized in that: one side of the first shell (1) is provided with a force measuring sensor (26), the upper surface of the first shell (1) is provided with a sliding groove (2), the inner side wall of the sliding groove (2) is connected with two symmetrical first sliding blocks (4) in a sliding manner, the upper surface of each first sliding block (4) is welded with a connecting rod (3), the top of each connecting rod (3) is welded with a first plate body (5), the two sides of the first shell (1) which repel each other are welded with a second plate body (16), the upper surface of each second plate body (16) is provided with two symmetrical first sliding rails (18), the outer side wall of each first sliding rail (18) is connected with a second sliding block (19) in a sliding manner, the upper surface of each second sliding block (19) is welded with a third plate body (20), the upper surface of each third plate body (20) is provided with a second sliding rail (21), and the outer side wall of each second sliding rail (21) is connected with a third, one side of each of the two third sliding blocks (22) adjacent to each other is rotatably connected with a third rod body (25) through a first rotating shaft, one side of each of the two first shells (1) is welded with a second shell (8), the inner parts of the second shells (8) are respectively connected with two first rod bodies (11) through a second bearing in a rotating way, the outer side wall of the first rod bodies (11) is welded with a roller (9), one end of each first rod body (11) penetrates through one side of the second shell (8), gears (13) are welded on the outer side walls of the two first rod bodies (11), the two gears (13) are in transmission connection through a chain (12), one side of the second shell (8) is provided with a motor (15), a second rod body (14) is welded at the output end of the motor (15), and one end of the second rod body (14) is welded at one end, far away from the roller (9), of the first rod body (11);

the upper surface of the first plate body (5) is bonded with a rubber pad (6), and the outer side wall of the roller (9) is wound with a water absorption sponge (10).

2. The novel flat brake test bed according to claim 1, wherein: one side welding of first plate body (5) has fourth plate body (30), one side welding of fourth plate body (30) has bracing piece (31), bracing piece (31) have third casing (29) through spring (33) welding, through-hole (32) have been seted up to one side of third casing (29), the inside wall sliding connection of through-hole (32) in the lateral wall of bracing piece (31), one side of third casing (29) weld in one side of second casing (8).

3. The novel flat brake test bed according to claim 1, wherein: and a fifth plate body (17) is welded at one side adjacent to the two first plate bodies (5).

4. The novel flat brake test bed according to claim 1, wherein: and a support plate (28) is welded on the bottom wall of the outer side wall of the motor (15).

5. The novel flat brake test bed according to claim 1, wherein: two the first handle (23) is all welded to the side that third slider (22) repel, and two second handle (27) is all welded to the side that third plate body (20) repel.

6. The novel flat brake test bed according to claim 1, wherein: one side of the first shell (1) is welded with an inclined plate (7), the inclination angle of the inclined plate (7) is 15-20 degrees, and one side of the inclined plate (7) is bonded to one side of the load cell (26).

7. The novel flat brake test bed according to claim 1, wherein: baffle (24) have all been welded at the both ends of second slide rail (21), the bottom of baffle (24) weld in the upper surface of third plate body (20).